Austin Area Reservoirs: Monitored Water Supply Reservoirs are 94.4% full on 2026-10-28

Historical Data

Date Percent Full Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft)
Most recent 2026-10-28 94.4 2,138,232 2,107,389 2,232,539
1 day prior 2026-10-27 94.4 2,138,987 2,108,144 2,232,539
2 days prior 2026-10-26 94.5 2,139,783 2,108,940 2,232,539
1 week prior 2026-10-21 94.8 2,146,864 2,116,021 2,232,539
1 month prior 2026-09-28 92.5 2,094,949 2,064,106 2,232,539
3 months prior 2026-07-28 99.8 2,265,777 2,227,606 2,232,539
6 months prior 2026-04-28 85.1 1,930,737 1,899,894 2,232,539
1 year prior 2025-10-28 88.7 2,010,526 1,979,683 2,232,539
*

 Percent Full is based on Conservation Storage and Conservation Capacity and doesn't account for storage in flood pool.

Area Map

recent reservoir storage map

Reservoir Storage

Reservoir Type Percent Full Water Level
(ft) 		Height Above Conservation Pool
(ft) 		Reservoir Storage
(acre-ft) 		Conservation Storage
(acre-ft) 		Conservation Capacity
(acre-ft) 		Surface Area
(acres)
Buchananas of 2026-10-28 Water Supply 95.7 1,018.33 -1.67 843,157 829,495 866,694 22,115
Georgetown Water Supply and Flood Control 78.3 784.22 -6.78 29,820 29,757 38,005 1,128
Stillhouse Hollow Water Supply and Flood Control 96.3 620.65 -1.35 221,333 221,247 229,796 6,240
Travisas of 2026-10-28 Water Supply and Flood Control 93.5 677.17 -3.83 1,043,837 1,026,805 1,098,044 18,167